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Looking Back

Excerpts from California Mining Journal, our original title, published 50 years ago this month.

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Additional articles that might interest you...

Legislative and Regulatory Update AB 1032—Where Do We Go From Here?


• First, The Great News...
• What's Next?

Iowa Hill District


For the last two years we’ve held a hands-on prospectors training session in the Iowa Hill district of California’s Mother Lode country as a part of our Gold Prospecting and Mining Summit event. Because of this, I thought it might be good to take a look at the history, geology and opportunities that the Iowa Hill district still offers to the individual prospector.

Dredger Wins Claim Against Fish & Game Director


I finally received my day in court on February 3, 2010. Donald Koch was not present. Instead, Terry Dickerson from the California Dept. of Fish and Game appeared in an attempt to represent the defendant.

Melman on Gold & Silver


Another area of growing international concern for business and industry is the recent astonishing proliferation of new government regulations and laws. Despite the presumably good intentions behind these measures it is now becoming apparent that they are imposing true costs  to our economic society. The sheer variety  of these laws and regulations is mind-boggling.

Endangered Species Act is a Mess


You’ve likely read about some of the problems with the Endangered Species Act (ESA) in the Legislative Update section, and in previous issues of our publication. The problems never seem to end, and it is way past the time for reform. A current story highlights some of these problems.

Identifying the Noble Metals Simple Tests That Work


Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...

Ask The Experts: How would you go about evaluating a silver deposit?


Any ore grading 32% silver would contain more than 9,000 ounces of silver per ton and be valued at something in the range of $150,000 per ton. Even a few tons of this type of material would be well worth shipping off to a smelter for treatment.

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